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Above Pathfinder Overview


The Above Pathfinder subbasin is the largest of the seven Platte River Basin subbasins that are located in Wyoming. The total area of this subbasin is approximately 9,100 square miles, most of which are located in Carbon, Fremont, Albany, and Natrona Counties. The farthest upstream reach of the North Platte River within Wyoming is located within this subbasin. Three major North Platte River tributaries, including the Sweetwater River, Medicine Bow River, and Grand Encampment River, are also located within the Above Pathfinder subbasin. Communities located within this subbasin include Encampment, Saratoga, Rawlins, Hanna, and Medicine Bow. Seminoe Reservoir and Pathfinder Reservoir are major North Platte River reservoirs that are located within this subbasin.

Additional information and maps of the Above Pathfinder subbasin can be accessed by using the menu displayed on the left or the navigational menu displayed on the top of this page.


The Platte River Basin Plan is a planning tool developed for the Wyoming Water Development Office. It presents estimated current and estimated future uses of water in WyomingĂs Platte River Basin. The Plan is not used to determine compliance with or administration of state law, federal law, court decrees, interstate compacts, or interstate agreements.
Wyoming Water Development Commission
6920 Yellowtail Road
Cheyenne, Wyoming 82002
Ph. (307) 777-7626
Fax (307) 777-6819